Mackie HM-400 4-Channel Headphone Amplifier

The Mackie HM-400 4-Channel Headphone Amplifier is a versatile and high-quality solution for professional audio applications. Designed for studios, practice spaces, Houses of Worship, and more, this 19-inch rackmount amplifier offers powerful performance in a single rack space. With 12 total headphone outputs and independent EQ and aux input controls for each channel, the HM-400 provides flexibility for mixing main and auxiliary signals.